Map shows late nineteenth century New York railroads, canals, roads, city layouts, county and borough boundaries, cities, towns, marshland, and notable physical features. Insets: "The Hudson from Yonkers to Kingston" and "Catskill Mountains." Relief shown by contours and hachures. Depths shown by isolines and soundings. Scale [ca. 1:253,440] and [ca. 1:1,013,760]